#!/usr/bin/env python
# -*- coding: UTF-8 -*-
'''
@Project ：图灵学习 
@File    ：13.函数进阶.py
@IDE     ：PyCharm 
@Author  ：ChenLiGao
@Date    ：2024-09-29 15:27
'''

def add_num(a = 10, b = 20):
    return a + b

res = add_num()

print(res)

res = add_num(1 , 2)

print(res)

